mdx/

theme.rs

use std::collections::HashMap;

/// Theme options
#[derive(Debug, Clone)]
pub struct ThemeOptions {
    /// The name of the theme
    pub name: String,
    /// Custom CSS variables
    pub variables: HashMap<String, String>,
}

impl Default for ThemeOptions {
    fn default() -> Self {
        Self {
            name: "modern".to_string(),
            variables: HashMap::new(),
        }
    }
}

/// Theme for styling rendered Markdown
pub struct Theme {
    name: String,
    variables: HashMap<String, String>,
}

impl Theme {
    /// Create a new theme with the given name
    pub fn new(name: &str) -> Self {
        let mut theme = Self {
            name: name.to_string(),
            variables: HashMap::new(),
        };

        // Set default variables
        theme.set_default_variables();

        theme
    }

    /// Set default CSS variables
    fn set_default_variables(&mut self) {
        let defaults = match self.name.as_str() {
            "modern" => get_modern_theme_variables(),
            "minimal" => get_minimal_theme_variables(),
            "dark" => get_dark_theme_variables(),
            "light" => get_light_theme_variables(),
            _ => get_modern_theme_variables(), // Default to modern
        };

        for (key, value) in defaults {
            self.variables.insert(key.to_string(), value.to_string());
        }
    }

    /// Get the theme's CSS
    pub fn get_css(&self) -> String {
        let mut css = String::from(":root {\n");

        // Add CSS variables
        for (key, value) in &self.variables {
            css.push_str(&format!("  --{}: {};\n", key, value));
        }

        css.push_str("}\n\n");

        // Add theme CSS based on name
        match self.name.as_str() {
            "modern" => css.push_str(MODERN_THEME_CSS),
            "minimal" => css.push_str(MINIMAL_THEME_CSS),
            "dark" => css.push_str(DARK_THEME_CSS),
            "light" => css.push_str(LIGHT_THEME_CSS),
            _ => css.push_str(MODERN_THEME_CSS), // Default to modern
        }

        css
    }

    /// Set a CSS variable
    pub fn set_variable(&mut self, key: &str, value: &str) {
        self.variables.insert(key.to_string(), value.to_string());
    }

    /// Get a CSS variable
    pub fn get_variable(&self, key: &str) -> Option<&String> {
        self.variables.get(key)
    }
}

// Default CSS variables for the Modern theme
fn get_modern_theme_variables() -> Vec<(&'static str, &'static str)> {
    vec![
        ("primary-color", "#3b82f6"),
        ("secondary-color", "#6b7280"),
        ("background-color", "#ffffff"),
        ("text-color", "#1f2937"),
        ("muted-color", "#6b7280"),
        ("border-color", "#e5e7eb"),
        ("font-family", "-apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif"),
        ("monospace-font", "'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace"),
        ("content-width", "768px"),
        ("info-color", "#3b82f6"),
        ("info-light-color", "#eff6ff"),
        ("warning-color", "#f59e0b"),
        ("warning-light-color", "#fffbeb"),
        ("error-color", "#ef4444"),
        ("error-light-color", "#fee2e2"),
        ("success-color", "#10b981"),
        ("success-light-color", "#ecfdf5"),
    ]
}

// Default CSS variables for the Minimal theme
fn get_minimal_theme_variables() -> Vec<(&'static str, &'static str)> {
    vec![
        ("primary-color", "#000000"),
        ("secondary-color", "#4b5563"),
        ("background-color", "#ffffff"),
        ("text-color", "#000000"),
        ("muted-color", "#4b5563"),
        ("border-color", "#e5e7eb"),
        ("font-family", "Georgia, serif"),
        (
            "monospace-font",
            "'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace",
        ),
        ("content-width", "700px"),
        ("info-color", "#000000"),
        ("info-light-color", "#f3f4f6"),
        ("warning-color", "#000000"),
        ("warning-light-color", "#f3f4f6"),
        ("error-color", "#000000"),
        ("error-light-color", "#f3f4f6"),
        ("success-color", "#000000"),
        ("success-light-color", "#f3f4f6"),
    ]
}

// Default CSS variables for the Dark theme
fn get_dark_theme_variables() -> Vec<(&'static str, &'static str)> {
    vec![
        ("primary-color", "#3b82f6"),
        ("secondary-color", "#9ca3af"),
        ("background-color", "#111827"),
        ("text-color", "#f9fafb"),
        ("muted-color", "#9ca3af"),
        ("border-color", "#374151"),
        ("font-family", "-apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif"),
        ("monospace-font", "'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace"),
        ("content-width", "768px"),
        ("info-color", "#3b82f6"),
        ("info-light-color", "#1e3a8a"),
        ("warning-color", "#f59e0b"),
        ("warning-light-color", "#78350f"),
        ("error-color", "#ef4444"),
        ("error-light-color", "#7f1d1d"),
        ("success-color", "#10b981"),
        ("success-light-color", "#064e3b"),
    ]
}

// Default CSS variables for the Light theme
fn get_light_theme_variables() -> Vec<(&'static str, &'static str)> {
    vec![
        ("primary-color", "#0284c7"),
        ("secondary-color", "#64748b"),
        ("background-color", "#f8fafc"),
        ("text-color", "#334155"),
        ("muted-color", "#64748b"),
        ("border-color", "#e2e8f0"),
        ("font-family", "system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif"),
        ("monospace-font", "ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, 'Liberation Mono', 'Courier New', monospace"),
        ("content-width", "768px"),
        ("info-color", "#0284c7"),
        ("info-light-color", "#e0f2fe"),
        ("warning-color", "#ea580c"),
        ("warning-light-color", "#fff7ed"),
        ("error-color", "#dc2626"),
        ("error-light-color", "#fee2e2"),
        ("success-color", "#16a34a"),
        ("success-light-color", "#f0fdf4"),
    ]
}

// CSS for the Modern theme
const MODERN_THEME_CSS: &str = r#"
/* Modern theme */
body {
  font-family: var(--font-family);
  color: var(--text-color);
  background-color: var(--background-color);
  line-height: 1.6;
  margin: 0;
  padding: 0;
}

.markrust-container {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 2rem 1rem;
}

.markrust-content {
  margin-top: 2rem;
}

h1, h2, h3, h4, h5, h6 {
  margin-top: 2rem;
  margin-bottom: 1rem;
  font-weight: 600;
  line-height: 1.25;
}

h1 {
  font-size: 2.25rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.5rem;
}

h2 {
  font-size: 1.8rem;
}

h3 {
  font-size: 1.5rem;
}

h4 {
  font-size: 1.25rem;
}

h5 {
  font-size: 1rem;
}

h6 {
  font-size: 0.875rem;
}

a {
  color: var(--primary-color);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

p {
  margin-top: 0;
  margin-bottom: 1rem;
}

ul, ol {
  margin-top: 0;
  margin-bottom: 1rem;
  padding-left: 2rem;
}

li {
  margin-bottom: 0.25rem;
}

blockquote {
  margin: 1rem 0;
  padding: 0.5rem 1rem;
  border-left: 4px solid var(--primary-color);
  background-color: rgba(0, 0, 0, 0.05);
}

hr {
  border: 0;
  height: 1px;
  background-color: var(--border-color);
  margin: 2rem 0;
}

code {
  font-family: var(--monospace-font);
  font-size: 0.9em;
  background-color: rgba(0, 0, 0, 0.05);
  padding: 0.2em 0.4em;
  border-radius: 3px;
}

pre {
  margin: 1rem 0;
  padding: 1rem;
  overflow-x: auto;
  background-color: rgba(0, 0, 0, 0.05);
  border-radius: 0.375rem;
}

pre code {
  background: none;
  padding: 0;
  font-size: 0.9em;
  color: inherit;
}

/* Code block with copy button */
.markrust-code-block {
  position: relative;
}

.markrust-copy-button {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  padding: 0.25rem;
  background-color: rgba(255, 255, 255, 0.2);
  border: none;
  border-radius: 0.25rem;
  color: var(--text-color);
  cursor: pointer;
  opacity: 0.6;
  transition: opacity 0.2s;
}

.markrust-copy-button:hover {
  opacity: 1;
}

/* Table styles */
.markrust-table {
  border-collapse: collapse;
  width: 100%;
  margin: 1rem 0;
}

.markrust-table th,
.markrust-table td {
  border: 1px solid var(--border-color);
  padding: 0.5rem 0.75rem;
  text-align: left;
}

.markrust-table th {
  background-color: rgba(0, 0, 0, 0.05);
  font-weight: 600;
}

.markrust-table .align-center {
  text-align: center;
}

.markrust-table .align-right {
  text-align: right;
}

/* Table of contents */
.markrust-toc {
  background-color: rgba(0, 0, 0, 0.03);
  border-radius: 0.375rem;
  padding: 1rem;
  margin-bottom: 2rem;
}

.markrust-toc-header {
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.markrust-toc ul {
  list-style-type: none;
  padding-left: 0;
  margin-bottom: 0;
}

.markrust-toc ul ul {
  padding-left: 1.5rem;
}

.markrust-toc li {
  margin-bottom: 0.25rem;
}

.markrust-toc a {
  text-decoration: none;
  color: var(--text-color);
}

.markrust-toc a:hover {
  color: var(--primary-color);
  text-decoration: underline;
}
"#;

// CSS for the Minimal theme
const MINIMAL_THEME_CSS: &str = r#"
/* Minimal theme */
body {
  font-family: var(--font-family);
  color: var(--text-color);
  background-color: var(--background-color);
  line-height: 1.7;
  margin: 0;
  padding: 0;
}

.markrust-container {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 2rem 1rem;
}

.markrust-content {
  margin-top: 2rem;
}

h1, h2, h3, h4, h5, h6 {
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  font-weight: 400;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

h1 {
  font-size: 2.5rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.5rem;
}

h2 {
  font-size: 2rem;
}

h3 {
  font-size: 1.75rem;
}

h4 {
  font-size: 1.5rem;
}

h5 {
  font-size: 1.25rem;
}

h6 {
  font-size: 1rem;
}

a {
  color: var(--text-color);
  text-decoration: underline;
}

a:hover {
  color: var(--primary-color);
}

p {
  margin-top: 0;
  margin-bottom: 1.5rem;
}

ul, ol {
  margin-top: 0;
  margin-bottom: 1.5rem;
  padding-left: 2rem;
}

li {
  margin-bottom: 0.5rem;
}

blockquote {
  margin: 1.5rem 0;
  padding: 0 0 0 1.5rem;
  border-left: 1px solid var(--text-color);
  font-style: italic;
}

hr {
  border: 0;
  height: 1px;
  background-color: var(--border-color);
  margin: 3rem 0;
}

code {
  font-family: var(--monospace-font);
  font-size: 0.85em;
  background-color: transparent;
  padding: 0;
  border-radius: 0;
}

pre {
  margin: 1.5rem 0;
  padding: 1rem;
  overflow-x: auto;
  background-color: rgb(245, 245, 245);
  border-radius: 0;
}

pre code {
  background: none;
  padding: 0;
  font-size: 0.85em;
  color: inherit;
}

/* Table styles */
.markrust-table {
  border-collapse: collapse;
  width: 100%;
  margin: 1.5rem 0;
}

.markrust-table th,
.markrust-table td {
  border: 1px solid var(--border-color);
  padding: 0.75rem 1rem;
  text-align: left;
}

.markrust-table th {
  font-weight: 400;
  border-bottom: 2px solid var(--text-color);
}

/* Table of contents */
.markrust-toc {
  border: 1px solid var(--border-color);
  padding: 1.5rem;
  margin-bottom: 2.5rem;
}

.markrust-toc-header {
  font-weight: 400;
  margin-bottom: 1rem;
  font-size: 1.25rem;
}

.markrust-toc ul {
  list-style-type: none;
  padding-left: 0;
  margin-bottom: 0;
}

.markrust-toc ul ul {
  padding-left: 1.5rem;
}

.markrust-toc li {
  margin-bottom: 0.5rem;
}

.markrust-toc a {
  text-decoration: none;
  color: var(--text-color);
}

.markrust-toc a:hover {
  text-decoration: underline;
}
"#;

// CSS for the Dark theme
const DARK_THEME_CSS: &str = r#"
/* Dark theme */
body {
  font-family: var(--font-family);
  color: var(--text-color);
  background-color: var(--background-color);
  line-height: 1.6;
  margin: 0;
  padding: 0;
}

.markrust-container {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 2rem 1rem;
}

.markrust-content {
  margin-top: 2rem;
}

h1, h2, h3, h4, h5, h6 {
  margin-top: 2rem;
  margin-bottom: 1rem;
  font-weight: 600;
  line-height: 1.25;
  color: var(--primary-color);
}

h1 {
  font-size: 2.25rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.5rem;
}

h2 {
  font-size: 1.8rem;
}

h3 {
  font-size: 1.5rem;
}

h4 {
  font-size: 1.25rem;
}

h5 {
  font-size: 1rem;
}

h6 {
  font-size: 0.875rem;
}

a {
  color: var(--primary-color);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

p {
  margin-top: 0;
  margin-bottom: 1rem;
}

ul, ol {
  margin-top: 0;
  margin-bottom: 1rem;
  padding-left: 2rem;
}

li {
  margin-bottom: 0.25rem;
}

blockquote {
  margin: 1rem 0;
  padding: 0.5rem 1rem;
  border-left: 4px solid var(--primary-color);
  background-color: rgba(255, 255, 255, 0.05);
}

hr {
  border: 0;
  height: 1px;
  background-color: var(--border-color);
  margin: 2rem 0;
}

code {
  font-family: var(--monospace-font);
  font-size: 0.9em;
  background-color: rgba(255, 255, 255, 0.1);
  padding: 0.2em 0.4em;
  border-radius: 3px;
}

pre {
  margin: 1rem 0;
  padding: 1rem;
  overflow-x: auto;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 0.375rem;
}

pre code {
  background: none;
  padding: 0;
  font-size: 0.9em;
  color: inherit;
}

/* Code block with copy button */
.markrust-code-block {
  position: relative;
}

.markrust-copy-button {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  padding: 0.25rem;
  background-color: rgba(255, 255, 255, 0.1);
  border: none;
  border-radius: 0.25rem;
  color: var(--text-color);
  cursor: pointer;
  opacity: 0.6;
  transition: opacity 0.2s;
}

.markrust-copy-button:hover {
  opacity: 1;
}

/* Table styles */
.markrust-table {
  border-collapse: collapse;
  width: 100%;
  margin: 1rem 0;
}

.markrust-table th,
.markrust-table td {
  border: 1px solid var(--border-color);
  padding: 0.5rem 0.75rem;
  text-align: left;
}

.markrust-table th {
  background-color: rgba(255, 255, 255, 0.05);
  font-weight: 600;
}

.markrust-table .align-center {
  text-align: center;
}

.markrust-table .align-right {
  text-align: right;
}

/* Table of contents */
.markrust-toc {
  background-color: rgba(255, 255, 255, 0.05);
  border-radius: 0.375rem;
  padding: 1rem;
  margin-bottom: 2rem;
}

.markrust-toc-header {
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--primary-color);
}

.markrust-toc ul {
  list-style-type: none;
  padding-left: 0;
  margin-bottom: 0;
}

.markrust-toc ul ul {
  padding-left: 1.5rem;
}

.markrust-toc li {
  margin-bottom: 0.25rem;
}

.markrust-toc a {
  text-decoration: none;
  color: var(--text-color);
}

.markrust-toc a:hover {
  color: var(--primary-color);
  text-decoration: underline;
}
"#;

// CSS for the Light theme
const LIGHT_THEME_CSS: &str = r#"
/* Light theme */
body {
  font-family: var(--font-family);
  color: var(--text-color);
  background-color: var(--background-color);
  line-height: 1.6;
  margin: 0;
  padding: 0;
}

.markrust-container {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 2rem 1rem;
}

.markrust-content {
  margin-top: 2rem;
}

h1, h2, h3, h4, h5, h6 {
  margin-top: 2rem;
  margin-bottom: 1rem;
  font-weight: 600;
  line-height: 1.25;
  color: var(--primary-color);
}

h1 {
  font-size: 2.25rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.5rem;
}

h2 {
  font-size: 1.8rem;
}

h3 {
  font-size: 1.5rem;
}

h4 {
  font-size: 1.25rem;
}

h5 {
  font-size: 1rem;
}

h6 {
  font-size: 0.875rem;
}

a {
  color: var(--primary-color);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

p {
  margin-top: 0;
  margin-bottom: 1rem;
}

ul, ol {
  margin-top: 0;
  margin-bottom: 1rem;
  padding-left: 2rem;
}

li {
  margin-bottom: 0.25rem;
}

blockquote {
  margin: 1rem 0;
  padding: 0.5rem 1rem;
  border-left: 4px solid var(--primary-color);
  background-color: var(--info-light-color);
}

hr {
  border: 0;
  height: 1px;
  background-color: var(--border-color);
  margin: 2rem 0;
}

code {
  font-family: var(--monospace-font);
  font-size: 0.9em;
  background-color: rgba(0, 0, 0, 0.05);
  padding: 0.2em 0.4em;
  border-radius: 3px;
}

pre {
  margin: 1rem 0;
  padding: 1rem;
  overflow-x: auto;
  background-color: rgba(0, 0, 0, 0.05);
  border-radius: 0.375rem;
}

pre code {
  background: none;
  padding: 0;
  font-size: 0.9em;
  color: inherit;
}

/* Code block with copy button */
.markrust-code-block {
  position: relative;
}

.markrust-copy-button {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  padding: 0.25rem;
  background-color: rgba(255, 255, 255, 0.7);
  border: none;
  border-radius: 0.25rem;
  color: var(--text-color);
  cursor: pointer;
  opacity: 0.6;
  transition: opacity 0.2s;
}

.markrust-copy-button:hover {
  opacity: 1;
}

/* Table styles */
.markrust-table {
  border-collapse: collapse;
  width: 100%;
  margin: 1rem 0;
}

.markrust-table th,
.markrust-table td {
  border: 1px solid var(--border-color);
  padding: 0.5rem 0.75rem;
  text-align: left;
}

.markrust-table th {
  background-color: rgba(0, 0, 0, 0.03);
  font-weight: 600;
}

.markrust-table .align-center {
  text-align: center;
}

.markrust-table .align-right {
  text-align: right;
}

/* Table of contents */
.markrust-toc {
  background-color: rgba(0, 0, 0, 0.02);
  border-radius: 0.375rem;
  padding: 1rem;
  margin-bottom: 2rem;
}

.markrust-toc-header {
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--primary-color);
}

.markrust-toc ul {
  list-style-type: none;
  padding-left: 0;
  margin-bottom: 0;
}

.markrust-toc ul ul {
  padding-left: 1.5rem;
}

.markrust-toc li {
  margin-bottom: 0.25rem;
}

.markrust-toc a {
  text-decoration: none;
  color: var(--text-color);
}

.markrust-toc a:hover {
  color: var(--primary-color);
  text-decoration: underline;
}
"#;